Mercedes-Benz GLC-Class Diesel hybrid · 198 kW (269 hp)
Measured by the on-board fuel meters of 5,167 cars · 2024 data
Real-world consumption is 27% above official. 138 of the other 156 diesel hybrids in the data come closer to their official figure.
How much drivers actually use
Half of the cars use between 6.8 and 7.8 L/100 km. The most economical tenth stays under 6.4; the thirstiest tenth uses more than 8.4.
Each bar is a 0.5 L range; its height and the figure above it show what share of cars fall in that range.
Is my consumption normal?
What it costs to fuel
| Country | At official | At real | Difference |
|---|---|---|---|
| EU weighted average 2.14 €/L | €1,849 | €2,349 | +€500 |
| Austria 2.16 €/L | €1,871 | €2,377 | +€506 |
| Belgium 2.33 €/L | €2,021 | €2,567 | +€546 |
| Bulgaria 1.87 €/L | €1,622 | €2,060 | +€439 |
| Croatia 1.95 €/L | €1,691 | €2,148 | +€457 |
| Cyprus 2.02 €/L | €1,749 | €2,222 | +€473 |
| Czechia 1.92 €/L | €1,663 | €2,112 | +€450 |
| Denmark 2.50 €/L | €2,165 | €2,751 | +€585 |
| Estonia 2.01 €/L | €1,742 | €2,213 | +€471 |
| Finland 2.54 €/L | €2,195 | €2,788 | +€593 |
| France 2.33 €/L | €2,015 | €2,560 | +€545 |
| Germany 2.27 €/L | €1,965 | €2,496 | +€531 |
| Greece 2.12 €/L | €1,833 | €2,329 | +€496 |
| Hungary 1.94 €/L | €1,681 | €2,135 | +€454 |
| Ireland 2.16 €/L | €1,873 | €2,379 | +€506 |
| Italy 2.24 €/L | €1,940 | €2,464 | +€524 |
| Latvia 2.07 €/L | €1,793 | €2,278 | +€485 |
| Lithuania 2.21 €/L | €1,908 | €2,424 | +€516 |
| Luxembourg 2.04 €/L | €1,770 | €2,248 | +€479 |
| Malta 1.21 €/L | €1,047 | €1,330 | +€283 |
| Netherlands 2.48 €/L | €2,148 | €2,729 | +€581 |
| Poland 1.79 €/L | €1,554 | €1,974 | +€420 |
| Portugal 2.15 €/L | €1,859 | €2,362 | +€503 |
| Romania 2.04 €/L | €1,766 | €2,244 | +€478 |
| Slovakia 1.92 €/L | €1,661 | €2,110 | +€449 |
| Slovenia 1.92 €/L | €1,660 | €2,109 | +€449 |
| Spain 1.89 €/L | €1,635 | €2,077 | +€442 |
| Sweden 2.05 €/L | €1,774 | €2,254 | +€480 |
Fuel prices including taxes from the European Commission Weekly Oil Bulletin of 12 October 2026. Cost = consumption × price × distance. The default distance is an example; change it to yours.
Other Mercedes-Benz GLC-Class engines
| Engine | cars | Official (WLTP) | Real world | Gap |
|---|---|---|---|---|
| Petrol · 287 kW (390 hp) | 2,218 | 11.0 | 12.1 | +10% |
| Petrol · 375 kW (510 hp) | 1,410 | 13.1 | 14.6 | +12% |
| Petrol · 350 kW (476 hp) | 464 | 13.0 | 14.2 | +9% |
| Diesel · 143 kW (194 hp) | 17,945 | 6.3 | 7.5 | +18% |
| Diesel · 120 kW (163 hp) | 6,992 | 6.2 | 7.2 | +16% |
| Diesel · 180 kW (245 hp) | 4,000 | 6.8 | 8.0 | +18% |
| Diesel · 243 kW (330 hp) | 2,440 | 7.4 | 8.7 | +17% |
| Hybrid · 150 kW (204 hp) | 13,064 | 7.4 | 8.9 | +20% |
| Hybrid · 145 kW (197 hp) | 7,258 | 8.4 | 9.8 | +16% |
| Hybrid · 190 kW (258 hp) | 6,506 | 7.9 | 9.7 | +23% |
| Hybrid · 310 kW (421 hp) | 653 | 10.5 | 12.6 | +21% |
| Diesel hybrid · 145 kW (197 hp) | 37,418 | 5.4 | 6.5 | +22% |
| Diesel hybrid · 198 kW (269 hp) | 5,167 | 5.8 | 7.3 | +27% |
| Diesel hybrid · 270 kW (367 hp) | 797 | 6.6 | 8.1 | +22% |
| Plug-in hybrid · 150 kW (204 hp) | 21,999 | 0.5 | 5.3 | +894% |
| Plug-in hybrid · 155 kW (211 hp) | 16,900 | 2.3 | 7.5 | +223% |
| Plug-in hybrid · 185 kW (252 hp) | 5,764 | 0.6 | 5.9 | +976% |
| Plug-in hybrid · 350 kW (476 hp) | 569 | 7.5 | 13.5 | +80% |
| Diesel plug-in hybrid · 143 kW (194 hp) | 32,211 | 1.9 | 6.3 | +229% |
| Diesel plug-in hybrid · 145 kW (197 hp) | 19,607 | 0.6 | 4.8 | +784% |
Similar cars from other models
Same powertrain, similar power and weight.
| Model and engine | cars | Official (WLTP) | Real world | Gap |
|---|---|---|---|---|
| Volvo XC90 Diesel hybrid · 173 kW (235 hp) | 25,295 | 6.9 | 8.3 | +21% |
| BMW X5 Diesel hybrid · 210 kW (286 hp) | 21,446 | 7.2 | 9.0 | +26% |
| BMW 5 Series Diesel hybrid · 210 kW (286 hp) | 10,818 | 5.9 | 7.4 | +27% |
| Mercedes-Benz C-Class Diesel hybrid · 195 kW (265 hp) | 8,986 | 5.3 | 6.8 | +28% |
| BMW X3 Diesel hybrid · 210 kW (286 hp) | 8,572 | 6.5 | 7.8 | +21% |
| BMW X6 Diesel hybrid · 210 kW (286 hp) | 8,485 | 7.1 | 9.0 | +27% |
| Mazda CX-60 Diesel hybrid · 187 kW (254 hp) | 7,571 | 5.3 | 6.7 | +28% |
| Mercedes-Benz GLE-Class Diesel hybrid · 200 kW (272 hp) | 6,799 | 6.9 | 8.8 | +27% |
By country
| Country | cars | Real world | |
|---|---|---|---|
| Germany | 2,876 | 7.3 | ±0% |
| Italy | 677 | 7.4 | +1% |
| Spain | 544 | 7.3 | −1% |
| Poland | 274 | 7.5 | +3% |
| Denmark | 236 | 6.8 | −7% |
| Portugal | 101 | 7.4 | +1% |
| Czechia | 89 | 7.1 | −3% |
| Romania | 82 | 7.8 | +6% |
| Austria | 58 | 7.1 | −4% |
Countries with at least 50 cars of this engine. Differences reflect climate, roads and driving habits as well as the car.
By reporting year
| cars | Official (WLTP) | Real world | Gap | |
|---|---|---|---|---|
| 2023 | 941 | 5.8 | 7.3 | +26% |
| 2024 | 5,167 | 5.8 | 7.3 | +27% |
The same cars are reported again each year with their lifetime totals, so years are not added together.
About this data
| Cars in the data | 5,167 (2024) |
|---|---|
| Names in the registration data | GLC 300 D 4MATIC |
| Registration years | 2023, 2024 |
| Engine size | 1,993 cm³ |
| Average mass in running order | 2,025 kg |
| Average distance on the meter | 20,416 km |
Hybrid includes mild hybrids (48 V) as registered by the manufacturer.
Source: European Environment Agency, real-world CO₂ emissions from cars, 2024 data (CC BY 4.0), based on on-board fuel consumption meters (Regulation (EU) 2019/631, Article 12). Grouping by model and engine, averages and percentiles by RealFuelConsumption. Not affiliated with the EEA or the manufacturer.